Finding the Fourth Proportional to 2,007.72, 3,009.57 and 1,130.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.72 : 3,009.57 = 1,130.67 : x
2. Step 2: Convert to fraction form
   2,007.72/3,009.57 = 1,130.67/x
3. Step 3: Cross multiply
   2,007.72x = 3,009.57 × 1,130.67
4. Step 4: Simplify right side
   2,007.72x = 3,402,830.51
5. Step 5: Solve for x
   x = 3,402,830.51/2,007.72
6. Step 6: Final answer
   x = 1,694.87